Starting with today’s trade date, April 3 2006, price limits for Domestic Equity Index futures contracts have been revised, per the levels shown in Exhibit I.  Please note that these limits shall be in force for the balance of the 2^nd calendar quarter, 2006.

Exchange rules call for the limits to be re-calculated quarterly at the close of business on the day preceding the commencement of a new calendar quarter.  Note that stock index price limits are generally revised upwards from the limits that were in force during the previous calendar quarter.         

Please view the attached memo for more information.